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All four ports are 2.1 supporting 46 at up to 165hz with VRR
Sorry, there was a problem. Please try again later.Styles510 - All 4 HDMI ports on the QN90F are capable of Auto Low Latency Mode (ALLM), Dynamic Metadata (HDR10+), Variable Refresh Rate (VRR), and 4K@120Hz (up to 165Hz for PCs). eARC support can further be found in HDMI port 3. ~ Samsung Specialist
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